import java.util.Arrays;

public class Work1 {
    public static void transform(int[] array) {
        for (int i = 0; i < array.length; i++) {
            array[i] *= 2;
        }

    }

    public static void main(String[] args) {
        int[] array = new int[]{1, 2, 3};
        transform(array);
        System.out.println(Arrays.toString(array));

    }
}
